layui.define('upload', function (exports) {
    var $ = layui.jquery
        ,upload = layui.upload;

    //多文件列表示例
    var fileListView = $('#fileList')
        ,uploadListIns = upload.render({
        elem: '#testList'
        ,url: 'upload/local'
        ,accept: 'file'
        ,multiple: true
        ,auto: false
        ,bindAction: '#fileListAction'
        ,data: {
            fileTag:function () {
                var aaa = $(".label-selected1 li");
                var tagids = [];
                for (var i=0; i<aaa.length; i++) {
                    var tagid = aaa[i].getAttribute('data');
                    tagids.push(tagid);
                }
                return tagids;
            }
        }
        ,choose: function(obj){
            var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
            //读取本地文件
            obj.preview(function(index, file, result){
                var tr = $(['<tr id="upload-'+ index +'">'
                    ,'<td>'+ file.name +'</td>'
                    ,'<td>'+ (file.size/1014).toFixed(1) +'kb</td>'
                    ,'<td>等待上传</td>'
                    ,'<td>'
                    ,'<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>'
                    ,'<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>'
                    ,'</td>'
                    ,'</tr>'].join(''));

                //单个重传
                tr.find('.demo-reload').on('click', function(){
                    obj.upload(index, file);
                });

                //删除
                tr.find('.demo-delete').on('click', function(){
                    delete files[index]; //删除对应的文件
                    tr.remove();
                    uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
                });

                fileListView.append(tr);
            });
        }
        ,done: function(res, index, upload){
            var code = Number(res.code);
            if(code == 0){ //上传成功
                var tr = fileListView.find('tr#upload-'+ index)
                    ,tds = tr.children();
                tds.eq(2).html('<span style="color: #5FB878;">上传成功</span>');
                tds.eq(3).html(''); //清空操作
                return delete this.files[index]; //删除文件队列已经上传成功的文件
            }
            this.error(index, upload);
        }
        ,error: function(index, upload){
            var tr = fileListView.find('tr#upload-'+ index)
                ,tds = tr.children();
            tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
            tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
        }
    });

    exports('uploadlocal', {});
});